123841667 has 2 divisors, whose sum is σ = 123841668. Its totient is φ = 123841666.

The previous prime is 123841573. The next prime is 123841673. The reversal of 123841667 is 766148321.

It is a strong prime.

It is an emirp because it is prime and its reverse (766148321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123841667 - 2¹⁴ = 123825283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123841667.

It is not a weakly prime, because it can be changed into another prime (123841567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61920833 + 61920834.

It is an arithmetic number, because the mean of its divisors is an integer number (61920834).

Almost surely, 2^123841667 is an apocalyptic number.

123841667 is a deficient number, since it is larger than the sum of its proper divisors (1).

123841667 is an equidigital number, since it uses as much as digits as its factorization.

123841667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 123841667 is about 11128.4170931898. The cubic root of 123841667 is about 498.4507606729.

Adding to 123841667 its reverse (766148321), we get a palindrome (889989988).

The spelling of 123841667 in words is "one hundred twenty-three million, eight hundred forty-one thousand, six hundred sixty-seven".